Led service interface.h: Difference between revisions
(Created page with " #ifndef LED_SERVICE_INTERFACE_H #define LED_SERVICE_INTERFACE_H #ifdef __cplusplus extern "C" { #endif /* * open the led device * @return value : < 0...") |
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#ifndef LED_SERVICE_INTERFACE_H | #ifndef LED_SERVICE_INTERFACE_H | ||
#define LED_SERVICE_INTERFACE_H | #define LED_SERVICE_INTERFACE_H | ||
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} | } | ||
#endif | #endif | ||
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Latest revision as of 03:38, 9 April 2018
#ifndef LED_SERVICE_INTERFACE_H
#define LED_SERVICE_INTERFACE_H
#ifdef __cplusplus
extern "C"
{
#endif
/*
* open the led device
* @return value : < 0 : error code
* >= 0 : success;
*/
typedef int (*LED_OPEN)(void);
/*
* close the led device
* @return value : < 0 : error code
* >= 0 : success;
*/
typedef int (*LED_CLOSE)(void);
/*
* turn on the led
* @param[in] : unsigned int nLedIndex : index of led, >= 0 && < MAX_LED_COUNT
* @return value : < 0 : error code;
* >= 0 : success
*/
typedef int (*LED_ON)(unsigned int nLedIndex);
/*
* turn off the led
* @param[in] : unsigned int nLedIndex : index of led, >= 0 && < MAX_LED_COUNT
* @return value : < 0 : error code;
* >= 0 : success
*/
typedef int (*LED_OFF)(unsigned int nLendIndex);
/*
* get the status of led
* @param[in] : unsigned int nLedIndex : index of led, >= 0 && < MAX_LED_COUNT
* @return value : == 0 : turn off
* > 0 : turn on
* < 0 : error code
*/
typedef int (*LED_GET_STATUS)(unsigned int nLedIndex);
#ifdef __cplusplus
}
#endif